lock parts for b series for single cylinder locks builders hardware supply co toll free 800-999-5158 phone 206-281- ... 031 38-017 kit includes 1 each 38-031 and 1 each 38-032 bhs for double cylinder locks bhs 311-5685 311-5686 311-5687 311-5688 311-5690 311-5715 description ... ring for use on either side under cylinder turn unit or blank escutcheon the ... a lighter gauge ring for use under cylinder only 38-016 kit includes 2 each 38